810.94% is the change from 64 to 583
Calculation steps:
[( 583 - 64 ) ÷ 64] x 100 = 810.94%
Formula
Percentage change = [(583 - 64) / 64] x 100
Subtract the new number by the original number
583 - 64 = 519
519 ÷ 64 = 8.109375
8.109375 x 100 = 810.94%